This directive is used to undefine any symbol used in the C# program which causes no effect of the symbol defined using #define directive.

The bool type in C# belongs to simple type.

This is the correct method of using if statement as it requires #if directive to be used.

This statement is used in C# to specify a block of code that can be expanded or collapse when using outlining feature of the Visual Studio Code Editor.

This member modifier in C# indicates that a method or accessor does not contain an implementation.

This access modifier is used to access members in the class and all the derived classes of the base class.

This member modifier in C# indicates that the method or accessor can be overridden by inheriting classes.

This is the correct option as colon operator is used in C# to inherit any class in an existing class.

This type is used in C# when a value is boxed,  which means a value refers to implicitly converting any value type to the type object.

This exception is raised in C# when a method throws an exception in case an argument is null.

This directive is used in C# to define a symbol,  which can be used with the #if directive to evaluate any expression.

This data type in C# is the type-safe and secure version of function pointers.

This is the correct output statement used in C# to output any value.

This is the correct option as the method is declared in both base and derived class by default the derived version of the method is only accessible but to access the base class method the following changes has to be done in the program. DerivedClass test = new DerivedClass();  ((BaseClass)test).TestMethod();   The above code will only access the base class method of a class.

This Exception class is used when the call to the method is invalid for the objects current state.

This Exception class is used when the call to the method is invalid for the objects current state.